Home / 260,222.72-390,068.19-147,665.25

Finding the Fourth Proportional to 260,222.72, 390,068.19 and 147,665.25

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Solution

The fourth proportional to 260,222.72, 390,068.19 and 147,665.25 is: 221,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,222.72 : 390,068.19 = 147,665.25 : x
  2. Step 2: Convert to fraction form
    260,222.72/390,068.19 = 147,665.25/x
  3. Step 3: Cross multiply
    260,222.72x = 390,068.19 × 147,665.25
  4. Step 4: Simplify right side
    260,222.72x = 57,599,516,793.40
  5. Step 5: Solve for x
    x = 57,599,516,793.40/260,222.72
  6. Step 6: Final answer
    x = 221,347.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.